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hekate/bdk/libs/lvgl/lv_objx/lv_kb.c
CTCaer 185526d134 Introducing Bootloader Development Kit (BDK) 
BDK will allow developers to use the full collection of drivers,
with limited editing, if any, for making payloads for Nintendo Switch.

Using a single source for everything will also help decoupling
Switch specific code and easily port it to other Tegra X1/X1+ platforms.
And maybe even to lower targets.

Everything is now centrilized into bdk folder.
Every module or project can utilize it by simply including it.

This is just the start and it will continue to improve.
2020-06-14 15:25:21 +03:00

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/*
* Copyright (c) 2019-2020 CTCaer
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @file lv_kb.c
*
*/
/*********************
* INCLUDES
*********************/
#include "lv_kb.h"
#if USE_LV_KB != 0
#include "lv_ta.h"
#include "../lv_themes/lv_theme.h"
/*********************
* DEFINES
*********************/
/**********************
* TYPEDEFS
**********************/
/**********************
* STATIC PROTOTYPES
**********************/
static lv_res_t lv_kb_signal(lv_obj_t * kb, lv_signal_t sign, void * param);
static lv_res_t lv_kb_def_action(lv_obj_t * kb, const char * txt);
/**********************
* STATIC VARIABLES
**********************/
static lv_signal_func_t ancestor_signal;
static const char * kb_map_lc[] = {
"\2051#", "\204q", "\204w", "\204e", "\204r", "\204t", "\204y", "\204u", "\204i", "\204o", "\204p", "\207Bksp", "\n",
"\226ABC", "\203a", "\203s", "\203d", "\203f", "\203g", "\203h", "\203j", "\203k", "\203l", "\207Enter", "\n",
"_", "-", "z", "x", "c", "v", "b", "n", "m", ".", ",", ":", "\n",
"\202"SYMBOL_CLOSE, "\202"SYMBOL_LEFT, "\206 ", "\202"SYMBOL_RIGHT, "\202"SYMBOL_OK, ""
};
static const char * kb_map_uc[] = {
"\2051#", "\204Q", "\204W", "\204E", "\204R", "\204T", "\204Y", "\204U", "\204I", "\204O", "\204P", "\207Bksp", "\n",
"\226abc", "\203A", "\203S", "\203D", "\203F", "\203G", "\203H", "\203J", "\203K", "\203L", "\207Enter", "\n",
"_", "-", "Z", "X", "C", "V", "B", "N", "M", ".", ",", ":", "\n",
"\202"SYMBOL_CLOSE, "\202"SYMBOL_LEFT, "\206 ", "\202"SYMBOL_RIGHT, "\202"SYMBOL_OK, ""
};
static const char * kb_map_spec[] = {
"0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "\202Bksp", "\n",
"\222abc", "+", "-", "/", "*", "=", "%", "!", "?", "#", "<", ">", "\n",
"\\", "@", "$", "(", ")", "{", "}", "[", "]", ";", "\"", "'", "\n",
"\202"SYMBOL_CLOSE, "\202"SYMBOL_LEFT, "\206 ", "\202"SYMBOL_RIGHT, "\202"SYMBOL_OK, ""
};
static const char * kb_map_num[] = {
"1", "2", "3", "\202"SYMBOL_CLOSE, "\n",
"4", "5", "6", "\202"SYMBOL_OK, "\n",
"7", "8", "9", "\202Bksp", "\n",
"+/-", "0", ".", SYMBOL_LEFT, SYMBOL_RIGHT, ""
};
static const char * kb_map_hex[] = {
"1", "2", "3", "A", "D", "\212", "\n",
"4", "5", "6", "B", "E", "\202Bksp", "\n",
"7", "8", "9", "C", "F", "\202"SYMBOL_OK, "\n",
"\211", "0", "\213", SYMBOL_LEFT, SYMBOL_RIGHT, ""
};
/**********************
* MACROS
**********************/
/**********************
* GLOBAL FUNCTIONS
**********************/
/**
* Create a keyboard objects
* @param par pointer to an object, it will be the parent of the new keyboard
* @param copy pointer to a keyboard object, if not NULL then the new object will be copied from it
* @return pointer to the created keyboard
*/
lv_obj_t * lv_kb_create(lv_obj_t * par, const lv_obj_t * copy)
{
LV_LOG_TRACE("keyboard create started");
/*Create the ancestor of keyboard*/
lv_obj_t * new_kb = lv_btnm_create(par, copy);
lv_mem_assert(new_kb);
if(new_kb == NULL) return NULL;
if(ancestor_signal == NULL) ancestor_signal = lv_obj_get_signal_func(new_kb);
/*Allocate the keyboard type specific extended data*/
lv_kb_ext_t * ext = lv_obj_allocate_ext_attr(new_kb, sizeof(lv_kb_ext_t));
lv_mem_assert(ext);
if(ext == NULL) return NULL;
/*Initialize the allocated 'ext' */
ext->ta = NULL;
ext->mode = LV_KB_MODE_TEXT;
ext->cursor_mng = 0;
ext->hide_action = NULL;
ext->ok_action = NULL;
/*The signal and design functions are not copied so set them here*/
lv_obj_set_signal_func(new_kb, lv_kb_signal);
/*Init the new keyboard keyboard*/
if(copy == NULL) {
lv_obj_set_size(new_kb, LV_HOR_RES, LV_VER_RES / 2);
lv_obj_align(new_kb, NULL, LV_ALIGN_IN_BOTTOM_MID, 0, 0);
lv_btnm_set_action(new_kb, lv_kb_def_action);
lv_btnm_set_map(new_kb, kb_map_lc);
/*Set the default styles*/
lv_theme_t * th = lv_theme_get_current();
if(th) {
lv_kb_set_style(new_kb, LV_KB_STYLE_BG, th->kb.bg);
lv_kb_set_style(new_kb, LV_KB_STYLE_BTN_REL, th->kb.btn.rel);
lv_kb_set_style(new_kb, LV_KB_STYLE_BTN_PR, th->kb.btn.pr);
lv_kb_set_style(new_kb, LV_KB_STYLE_BTN_TGL_REL, th->kb.btn.tgl_rel);
lv_kb_set_style(new_kb, LV_KB_STYLE_BTN_TGL_PR, th->kb.btn.tgl_pr);
lv_kb_set_style(new_kb, LV_KB_STYLE_BTN_INA, th->kb.btn.ina);
} else {
/*Let the button matrix's styles*/
}
}
/*Copy an existing keyboard*/
else {
lv_kb_ext_t * copy_ext = lv_obj_get_ext_attr(copy);
ext->ta = NULL;
ext->ta = copy_ext->ta;
ext->mode = copy_ext->mode;
ext->cursor_mng = copy_ext->cursor_mng;
ext->hide_action = copy_ext->hide_action;
ext->ok_action = copy_ext->ok_action;
/*Refresh the style with new signal function*/
lv_obj_refresh_style(new_kb);
}
LV_LOG_INFO("keyboard created");
return new_kb;
}
/*=====================
* Setter functions
*====================*/
/**
* Assign a Text Area to the Keyboard. The pressed characters will be put there.
* @param kb pointer to a Keyboard object
* @param ta pointer to a Text Area object to write there
*/
void lv_kb_set_ta(lv_obj_t * kb, lv_obj_t * ta)
{
lv_kb_ext_t * ext = lv_obj_get_ext_attr(kb);
lv_cursor_type_t cur_type;
/*Hide the cursor of the old Text area if cursor management is enabled*/
if(ext->ta && ext->cursor_mng) {
cur_type = lv_ta_get_cursor_type(ext->ta);
lv_ta_set_cursor_type(ext->ta, cur_type | LV_CURSOR_HIDDEN);
}
ext->ta = ta;
/*Show the cursor of the new Text area if cursor management is enabled*/
if(ext->ta && ext->cursor_mng) {
cur_type = lv_ta_get_cursor_type(ext->ta);
lv_ta_set_cursor_type(ext->ta, cur_type & (~LV_CURSOR_HIDDEN));
}
}
/**
* Set a new a mode (text or number map)
* @param kb pointer to a Keyboard object
* @param mode the mode from 'lv_kb_mode_t'
*/
void lv_kb_set_mode(lv_obj_t * kb, lv_kb_mode_t mode)
{
lv_kb_ext_t * ext = lv_obj_get_ext_attr(kb);
if(ext->mode == mode) return;
ext->mode = mode;
if(mode == LV_KB_MODE_TEXT) lv_btnm_set_map(kb, kb_map_lc);
else if(mode == LV_KB_MODE_NUM) lv_btnm_set_map(kb, kb_map_num);
else if (mode == LV_KB_MODE_HEX) lv_btnm_set_map(kb, kb_map_hex);
}
/**
* Automatically hide or show the cursor of Text Area
* @param kb pointer to a Keyboard object
* @param en true: show cursor on the current text area, false: hide cursor
*/
void lv_kb_set_cursor_manage(lv_obj_t * kb, bool en)
{
lv_kb_ext_t * ext = lv_obj_get_ext_attr(kb);
if(ext->cursor_mng == en) return;
ext->cursor_mng = en == false ? 0 : 1;
if(ext->ta) {
lv_cursor_type_t cur_type;
cur_type = lv_ta_get_cursor_type(ext->ta);
if(ext->cursor_mng) {
lv_ta_set_cursor_type(ext->ta, cur_type & (~LV_CURSOR_HIDDEN));
} else {
lv_ta_set_cursor_type(ext->ta, cur_type | LV_CURSOR_HIDDEN);
}
}
}
/**
* Set call back to call when the "Ok" button is pressed
* @param kb pointer to Keyboard object
* @param action a callback with 'lv_action_t' type
*/
void lv_kb_set_ok_action(lv_obj_t * kb, lv_action_t action)
{
lv_kb_ext_t * ext = lv_obj_get_ext_attr(kb);
ext->ok_action = action;
}
/**
* Set call back to call when the "Hide" button is pressed
* @param kb pointer to Keyboard object
* @param action a callback with 'lv_action_t' type
*/
void lv_kb_set_hide_action(lv_obj_t * kb, lv_action_t action)
{
lv_kb_ext_t * ext = lv_obj_get_ext_attr(kb);
ext->hide_action = action;
}
/**
* Set a style of a keyboard
* @param kb pointer to a keyboard object
* @param type which style should be set
* @param style pointer to a style
*/
void lv_kb_set_style(lv_obj_t * kb, lv_kb_style_t type, lv_style_t * style)
{
switch(type) {
case LV_KB_STYLE_BG:
lv_btnm_set_style(kb, LV_BTNM_STYLE_BG, style);
break;
case LV_KB_STYLE_BTN_REL:
lv_btnm_set_style(kb, LV_BTNM_STYLE_BTN_REL, style);
break;
case LV_KB_STYLE_BTN_PR:
lv_btnm_set_style(kb, LV_BTNM_STYLE_BTN_PR, style);
break;
case LV_KB_STYLE_BTN_TGL_REL:
lv_btnm_set_style(kb, LV_BTNM_STYLE_BTN_TGL_REL, style);
break;
case LV_KB_STYLE_BTN_TGL_PR:
lv_btnm_set_style(kb, LV_BTNM_STYLE_BTN_TGL_PR, style);
break;
case LV_KB_STYLE_BTN_INA:
lv_btnm_set_style(kb, LV_BTNM_STYLE_BTN_INA, style);
break;
}
}
/*=====================
* Getter functions
*====================*/
/**
* Assign a Text Area to the Keyboard. The pressed characters will be put there.
* @param kb pointer to a Keyboard object
* @return pointer to the assigned Text Area object
*/
lv_obj_t * lv_kb_get_ta(const lv_obj_t * kb)
{
lv_kb_ext_t * ext = lv_obj_get_ext_attr(kb);
return ext->ta;
}
/**
* Set a new a mode (text or number map)
* @param kb pointer to a Keyboard object
* @return the current mode from 'lv_kb_mode_t'
*/
lv_kb_mode_t lv_kb_get_mode(const lv_obj_t * kb)
{
lv_kb_ext_t * ext = lv_obj_get_ext_attr(kb);
return ext->mode;
}
/**
* Get the current cursor manage mode.
* @param kb pointer to a Keyboard object
* @return true: show cursor on the current text area, false: hide cursor
*/
bool lv_kb_get_cursor_manage(const lv_obj_t * kb)
{
lv_kb_ext_t * ext = lv_obj_get_ext_attr(kb);
return ext->cursor_mng == 0 ? false : true;
}
/**
* Get the callback to call when the "Ok" button is pressed
* @param kb pointer to Keyboard object
* @return the ok callback
*/
lv_action_t lv_kb_get_ok_action(const lv_obj_t * kb)
{
lv_kb_ext_t * ext = lv_obj_get_ext_attr(kb);
return ext->ok_action;
}
/**
* Get the callback to call when the "Hide" button is pressed
* @param kb pointer to Keyboard object
* @return the close callback
*/
lv_action_t lv_kb_get_hide_action(const lv_obj_t * kb)
{
lv_kb_ext_t * ext = lv_obj_get_ext_attr(kb);
return ext->hide_action;
}
/**
* Get a style of a keyboard
* @param kb pointer to a keyboard object
* @param type which style should be get
* @return style pointer to a style
*/
lv_style_t * lv_kb_get_style(const lv_obj_t * kb, lv_kb_style_t type)
{
lv_style_t * style = NULL;
switch(type) {
case LV_KB_STYLE_BG:
style = lv_btnm_get_style(kb, LV_BTNM_STYLE_BG);
break;
case LV_KB_STYLE_BTN_REL:
style = lv_btnm_get_style(kb, LV_BTNM_STYLE_BTN_REL);
break;
case LV_KB_STYLE_BTN_PR:
style = lv_btnm_get_style(kb, LV_BTNM_STYLE_BTN_PR);
break;
case LV_KB_STYLE_BTN_TGL_REL:
style = lv_btnm_get_style(kb, LV_BTNM_STYLE_BTN_TGL_REL);
break;
case LV_KB_STYLE_BTN_TGL_PR:
style = lv_btnm_get_style(kb, LV_BTNM_STYLE_BTN_TGL_PR);
break;
case LV_KB_STYLE_BTN_INA:
style = lv_btnm_get_style(kb, LV_BTNM_STYLE_BTN_INA);
break;
default:
style = NULL;
break;
}
return style;
}
/**********************
* STATIC FUNCTIONS
**********************/
/**
* Signal function of the keyboard
* @param kb pointer to a keyboard object
* @param sign a signal type from lv_signal_t enum
* @param param pointer to a signal specific variable
* @return LV_RES_OK: the object is not deleted in the function; LV_RES_INV: the object is deleted
*/
static lv_res_t lv_kb_signal(lv_obj_t * kb, lv_signal_t sign, void * param)
{
lv_res_t res;
/* Include the ancient signal function */
res = ancestor_signal(kb, sign, param);
if(res != LV_RES_OK) return res;
if(sign == LV_SIGNAL_CLEANUP) {
/*Nothing to cleanup. (No dynamically allocated memory in 'ext')*/
} else if(sign == LV_SIGNAL_GET_TYPE) {
lv_obj_type_t * buf = param;
uint8_t i;
for(i = 0; i < LV_MAX_ANCESTOR_NUM - 1; i++) { /*Find the last set data*/
if(buf->type[i] == NULL) break;
}
buf->type[i] = "lv_kb";
}
return res;
}
/**
* Called when a button of 'kb_btnm' is released
* @param btnm pointer to 'kb_btnm'
* @param i the index of the released button from the current btnm map
* @return LV_ACTION_RES_INV if the btnm is deleted else LV_ACTION_RES_OK
*/
static lv_res_t lv_kb_def_action(lv_obj_t * kb, const char * txt)
{
lv_kb_ext_t * ext = lv_obj_get_ext_attr(kb);
lv_res_t res = LV_RES_OK;
/*Do the corresponding action according to the text of the button*/
if(strcmp(txt, "abc") == 0) {
lv_btnm_set_map(kb, kb_map_lc);
return LV_RES_OK;
} else if(strcmp(txt, "ABC") == 0) {
lv_btnm_set_map(kb, kb_map_uc);
return LV_RES_OK;
} else if(strcmp(txt, "1#") == 0) {
lv_btnm_set_map(kb, kb_map_spec);
return LV_RES_OK;
} else if(strcmp(txt, SYMBOL_CLOSE) == 0) {
if(ext->hide_action) res = ext->hide_action(kb);
else {
lv_kb_set_ta(kb, NULL); /*De-assign the text area to hide it cursor if needed*/
lv_obj_del(kb);
}
return res;
} else if(strcmp(txt, SYMBOL_OK) == 0) {
if(ext->ok_action) res = ext->ok_action(kb);
else {
lv_kb_set_ta(kb, NULL); /*De-assign the text area to hide it cursor if needed*/
res = lv_obj_del(kb);
}
return res;
}
if(res != LV_RES_OK) return res; /*The keyboard might be deleted in the actions*/
/*Add the characters to the text area if set*/
if(ext->ta == NULL) return res;
if(strcmp(txt, "Enter") == 0)lv_ta_add_char(ext->ta, '\n');
else if(strcmp(txt, SYMBOL_LEFT) == 0) lv_ta_cursor_left(ext->ta);
else if(strcmp(txt, SYMBOL_RIGHT) == 0) lv_ta_cursor_right(ext->ta);
else if(strcmp(txt, "Bksp") == 0) lv_ta_del_char(ext->ta);
else if(strcmp(txt, "+/-") == 0) {
uint16_t cur = lv_ta_get_cursor_pos(ext->ta);
const char * ta_txt = lv_ta_get_text(ext->ta);
if(ta_txt[0] == '-') {
lv_ta_set_cursor_pos(ext->ta, 1);
lv_ta_del_char(ext->ta);
lv_ta_add_char(ext->ta, '+');
lv_ta_set_cursor_pos(ext->ta, cur);
} else if(ta_txt[0] == '+') {
lv_ta_set_cursor_pos(ext->ta, 1);
lv_ta_del_char(ext->ta);
lv_ta_add_char(ext->ta, '-');
lv_ta_set_cursor_pos(ext->ta, cur);
} else {
lv_ta_set_cursor_pos(ext->ta, 0);
lv_ta_add_char(ext->ta, '-');
lv_ta_set_cursor_pos(ext->ta, cur + 1);
}
} else {
lv_ta_add_text(ext->ta, txt);
}
return LV_RES_OK;
}
#endif
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